March 2020 in “Central European Journal of Biology”
This study found that isolated hairfollicle outer root sheaths from mice can regenerate new dermal papillary structures in vitro, with stem cells and neutrophils playing key roles in the regeneration process.
July 2022 in “Journal of Investigative Dermatology”
This study found that the cosmetic olfactory receptor agonist cyclohexyl salicylate may stimulate hair growth and expand stem cell progeny, suggesting potential as a cosmetic adjuvant for hair loss.
135 citations
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November 1987 in “Differentiation”
This study found that cultured outer root sheath cells from human hairfollicles expressed a keratin profile similar to their in vivo environment, indicating environmental influence on keratin expression.
PP405 may damage hairfollicles if used long-term, suggesting cycling might be necessary. Combining it with finasteride could help maintain hair growth.
PP405 may encourage earlier hair growth and slightly increase visible hair count but does not reverse hairfollicle miniaturization in male pattern baldness. It does not address damage to the dermal papilla or broken Wnt signaling.
Sugary beverages increase the risk of pattern hair loss in men by 57%, and type 2 diabetes is linked to female pattern hair loss. Reducing sugar intake and using treatments like finasteride and minoxidil may help manage hair loss.
Prolactin may contribute to hair loss, but targeting its receptor won't cure androgenetic alopecia. ABS-201 could be a useful alternative or adjuvant therapy, similar to JAK inhibitors, but not more effective than HMI-115.
Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.